The grain mill as a mechanical bolter, or cylindrical sieve. Leonardo's drawing is the first of its kind. When the handle of the lens grinder is turned, both grindstone and lens revolve, at different speeds.
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Details
Creative#:
TOP19235286
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
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